Child safety seat



FIG. 1 is a perspective view of child safety seat showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another perspective view in use; the portions shown in dashed lines do not form part of the design.

The portions of the child safety seat shown in broken lines form no part of the claimed design. 

The ornamental design for child safety seat, as shown and described. 